Sampo () is a 1959 Soviet–Finnish fantasy film based loosely on the events depicted in the Finnish national epic Kalevala. In the United States, it was released in an edited version, The Day the Earth Froze, by American International Pictures as a double feature with Conquered City. This version was later featured in a 1993 episode of Mystery Science Theater 3000. Plot The people of Kalevala are a peaceful hard working people, they have everything they need and want, bar the mystical Sampo, a magical mill which will make grain, salt and gold and give prosperity to whoever possesses it. The only person in Kalevala able to make a Sampo is the smith Ilmarinen, however he cannot make it until his sister Annikki has fallen in love. Annikki eventually falls in love with the young hard working Lemminkäinen. All is not perfect, however. There is a dark dismal land called Pohjola ruled over by a wicked witch called Louhi, and she wishes for a Sampo, but her wizards are unable to forge one. Louhi is advised that only Ilmarinen is able to forge a Sampo. Louhi sends her enchanted cloak to bring Annikki to Pohjola as ransom. Lemminkäinen runs to Ilmarinen to inform him that his sister has been taken and vows to return her, Ilmarinen agrees to come with him and they set off on a boat constructed of an ancient oak tree. On arrival Louhi demands they complete a simple task each, Lemminkäinen is asked to plow a field of snakes, which he does with the aid of a steel horse made by Ilmarinen. Then after Louhi's wizards destroy their boat, blaming it on a great fish, Ilmarinen forges another ship from iron. The final task is set to Ilmarinen; he is to forge a Sampo. He sets to work and, after some failed bargaining for another task, and with the aid of the trolls of Pohjola on the bellows and the fire from heaven itself, he forges a beautiful Sampo, which immediately begins to make gold, grain and salt. Lemminkäinen and Ilmarinen are reunited with Annikki and they set sail for Kalevala. Lemminkäinen is upset when he is informed that the people of Kalevala will never be able to reap the benefits of the Sampo and dives into the sea to swim back and recover it. Back in Pohjola, Lemminkäinen releases the mist from the prison Louhi